#---------------------------------------------------------------------------------
.SUFFIXES:
#---------------------------------------------------------------------------------
ifeq ($(strip $(DEVKITARM)),)
$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
endif

include $(DEVKITARM)/ds_rules

ifeq ($(OS),Windows_NT)
LZSS			?=	../../../../lzss.exe

else

LZSS			?=	lzss

endif
#---------------------------------------------------------------------------------
# BUILD is the directory where object files & intermediate files will be placed
# SOURCES is a list of directories containing source code
# INCLUDES is a list of directories containing extra header files
# DATA is a list of directories containing binary files
# all directories are relative to this makefile
#---------------------------------------------------------------------------------
BUILD		:=	build
SOURCES		:=	source ../../common/source ../../common/source_general
INCLUDES	:=	include ../../common/include ../../common/include_fat
DATA		:=	data


#---------------------------------------------------------------------------------
# options for code generation
#---------------------------------------------------------------------------------
ARCH	:=	-mthumb -march=armv5te -mtune=arm946e-s

CFLAGS	:=	-g -Wall -Oz\
 			-march=armv5te -mtune=arm946e-s -fomit-frame-pointer\
			-ffast-math \
			$(ARCH)

# ADD -DDEBUG here for logging/debug
CFLAGS	+=	$(INCLUDE) -DARM9 -DB4DS -D_NO_SDMMC -DNO_CARDID -DNOGETBOOTCLUSTER -DSKIPCLUSTERFAILSAFE
CXXFLAGS	:=	$(CFLAGS) -fno-rtti -fno-exceptions

ASFLAGS	:=	-g $(ARCH) -flto $(INCLUDE)

LDFLAGS	=	-nostartfiles -T cardengine.ld -g $(ARCH) -Oz -Wl,-Map,$(notdir $*.map),--use-blx

#---------------------------------------------------------------------------------
# any extra libraries we wish to link with the project (order is important)
#---------------------------------------------------------------------------------
LIBS	:=	

#---------------------------------------------------------------------------------
# list of directories containing libraries, this must be the top level containing
# include and lib
#---------------------------------------------------------------------------------
LIBDIRS	:=	$(LIBNDS)
 
  
#---------------------------------------------------------------------------------
# no real need to edit anything past this point unless you need to add additional
# rules for different file extensions
#---------------------------------------------------------------------------------
ifneq ($(BUILD),$(notdir $(CURDIR)))
#---------------------------------------------------------------------------------

export TARGET	:=	cardengine_arm9
export OUTPUT	:=	$(CURDIR)/../../nitrofiles_dec/$(TARGET)
export OUTPUT_CMP	:=	$(CURDIR)/../../nitrofiles/$(TARGET)
export DEPSDIR	:=	$(CURDIR)/$(BUILD)

export VPATH	:=	$(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
					$(foreach dir,$(DATA),$(CURDIR)/$(dir))

CFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
CPPFILES	:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
SFILES		:=	$(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
BINFILES	:=	$(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))

#---------------------------------------------------------------------------------
# use CXX for linking C++ projects, CC for standard C
#---------------------------------------------------------------------------------
ifeq ($(strip $(CPPFILES)),)
#---------------------------------------------------------------------------------
	export LD	:=	$(CC)
#---------------------------------------------------------------------------------
else
#---------------------------------------------------------------------------------
	export LD	:=	$(CXX)
#---------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------

export OFILES	:=	$(addsuffix .o,$(BINFILES)) \
					$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)

export INCLUDE	:=	$(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
					$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
					-I$(CURDIR)/$(BUILD)
 
export LIBPATHS	:=	$(foreach dir,$(LIBDIRS),-L$(dir)/lib)
 
.PHONY: $(BUILD) clean
 
#---------------------------------------------------------------------------------
$(BUILD):
	@[ -d $@ ] || mkdir -p $@
	@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile

#---------------------------------------------------------------------------------
clean:
	@echo clean ...
	@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
 
 
#---------------------------------------------------------------------------------
else

#---------------------------------------------------------------------------------
# main targets
#---------------------------------------------------------------------------------
$(OUTPUT_CMP).lz77: $(OUTPUT).bin
	@cp $< $@
	@$(LZSS) -ewf $@

$(OUTPUT).bin:	$(DEPSDIR)/$(TARGET).elf
$(DEPSDIR)/$(TARGET).elf:	cardengine.ld $(OFILES)
#	@echo linking $(notdir $@)
#	@$(LD)  $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@

cardengine.ld:	$(CURDIR)/../cardengine.ld.in
	$(CPP) -P $(INCLUDE) $< $@


#---------------------------------------------------------------------------------
%.bin	:	%.elf
#---------------------------------------------------------------------------------
	@$(OBJCOPY) -O binary $< $@
	@echo built ... $(notdir $@)

-include $(DEPSDIR)/*.d
 
#---------------------------------------------------------------------------------------
endif
#---------------------------------------------------------------------------------------
